United States Antimony Appoints Shawn Winkler Interim CFO for Minimum Two Months
United States Antimony named Shawn Winkler interim CFO effective May 4 as CFO Richard Isaak takes a minimum two-month personal leave. Winkler, a former Burrow Global CFO with over $10 billion in M&A advisory experience, will oversee finance and Q1 results due May 14, 2026.
1. CFO Transition
Richard Isaak commenced personal leave on May 4, 2026, prompting the Board to appoint Shawn Winkler as Interim Chief Financial Officer for at least two months. The company confirmed this change does not relate to financial performance or reporting issues.
2. Interim CFO Background
Shawn Winkler has over two decades of corporate finance and capital markets experience, including serving as CFO of Burrow Global and advising on more than $10 billion of M&A deals at BMO Capital Markets and Deutsche Bank Securities. He has worked six months with the company’s finance team and holds an MBA from Rice University.
3. Financial Timeline and Impact
Winkler will oversee the preparation and release of first quarter results on May 14, 2026, ensuring continuity in financial reporting and the upcoming earnings call. Richard Isaak is expected to resume his duties following the conclusion of his leave, currently anticipated after a minimum two-month period.